🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.4

Radius: 11.4

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.8 AU - 1.26 AU

Year: 697 Days

Day: 13.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,071,334 km

• M1: 141,968 km (0.116 R)
• M2: 843,283 km (0.066 R)
• M3: 1,351,467 km (0.108 R)
• M4: 1,750,445 km (0.113 R)
• M5: 2,168,571 km (0.107 R)
• M6: 3,077,677 km (0.081 R)
• M7: 4,170,639 km (0.085 R)
• M8: 4,659,674 km (0.114 R)
• M9: 5,233,831 km (0.086 R)
• M10: 5,653,453 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.6

Radius: 8.4

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.98 AU - 1.32 AU

Year: 822 Days

Day: 5.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,071,334 km

• M1: 104,719 km (0.027 R)
• M2: 509,680 km (0.092 R)
• M3: 1,059,452 km (0.094 R)
• M4: 1,867,879 km (0.075 R)
• M5: 2,259,526 km (0.118 R)
• M6: 2,683,187 km (0.118 R)
• M7: 3,171,325 km (0.082 R)
• M8: 3,758,796 km (0.051 R)
• M9: 4,159,718 km (0.045 R)
• M10: 4,863,726 km (0.093 R)
• M11: 5,518,067 km (0.101 R)
• M12: 6,628,382 km (0.108 R)
• M13: 7,366,648 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.3

Radius: 8.3

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.43 AU - 1.77 AU

Year: 1350 Days

Day: 8.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,071,334 km

• M1: 103,223 km (0.092 R)
• M2: 474,076 km (0.106 R)
• M3: 1,012,628 km (0.116 R)
• M4: 1,288,786 km (0.064 R)
• M5: 1,681,181 km (0.114 R)
• M6: 3,032,648 km (0.03 R)
• M7: 3,329,600 km (0.114 R)
• M8: 5,987,356 km (0.098 R)
• M9: 6,863,401 km (0.106 R)
• M10: 7,516,395 km (0.078 R)
• M11: 8,334,097 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223

Radius: 11.9

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.79 AU - 2.09 AU

Year: 1802 Days

Day: 13.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,071,334 km

• M1: 147,952 km (0.047 R)
• M2: 530,923 km (0.062 R)
• M3: 944,112 km (0.105 R)
• M4: 1,413,550 km (0.114 R)
• M5: 2,631,726 km (0.064 R)
• M6: 3,143,350 km (0.1 R)
• M7: 5,126,869 km (0.112 R)
• M8: 5,498,171 km (0.088 R)
• M9: 5,929,461 km (0.071 R)
• M10: 6,837,371 km (0.092 R)
• M11: 7,508,916 km (0.077 R)
• M12: 7,963,693 km (0.094 R)
• M13: 9,068,324 km (0.095 R)
• M14: 9,643,079 km (0.06 R)
• M15: 10,059,709 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.3

Radius: 9.4

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.99 AU - 2.59 AU

Year: 2311 Days

Day: 12.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,071,334 km

• M1: 116,986 km (0.075 R)
• M2: 585,227 km (0.028 R)
• M3: 899,831 km (0.059 R)
• M4: 1,454,241 km (0.102 R)
• M5: 1,747,303 km (0.106 R)
• M6: 2,303,209 km (0.108 R)
• M7: 3,088,149 km (0.116 R)
• M8: 4,392,343 km (0.11 R)
• M9: 4,696,625 km (0.038 R)
• M10: 5,372,060 km (0.06 R)
• M11: 5,746,054 km (0.085 R)
• M12: 6,137,552 km (0.038 R)
• M13: 7,480,492 km (0.095 R)
• M14: 9,009,681 km (0.097 R)
• M15: 9,395,793 km (0.085 R)
• M16: 9,940,031 km (0.059 R)
• M17: 10,352,322 km (0.048 R)
• M18: 10,972,555 km (0.101 R)
• M19: 12,588,062 km (0.109 R)
• M20: 13,026,534 km (0.036 R)
• M21: 13,657,687 km (0.076 R)
• M22: 16,858,034 km (0.059 R)
• M23: 18,943,728 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.4

Radius: 13

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.06 AU - 4.6 AU

Year: 4998 Days

Day: 12.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,071,334 km

• M1: 161,715 km (0.1 R)
• M2: 642,373 km (0.095 R)
• M3: 1,379,592 km (0.087 R)
• M4: 1,927,120 km (0.081 R)
• M5: 2,566,052 km (0.095 R)
• M6: 3,260,934 km (0.071 R)
• M7: 4,973,082 km (0.096 R)
• M8: 6,025,802 km (0.102 R)
• M9: 6,672,065 km (0.104 R)
• M10: 7,328,351 km (0.054 R)
• M11: 7,801,978 km (0.109 R)
• M12: 8,218,608 km (0.073 R)
• M13: 9,055,608 km (0.114 R)
• M14: 9,817,510 km (0.119 R)
• M15: 10,575,971 km (0.034 R)
• M16: 12,059,384 km (0.025 R)
• M17: 13,087,420 km (0.118 R)
• M18: 15,200,640 km (0.077 R)
• M19: 17,791,226 km (0.03 R)
• M20: 19,191,163 km (0.055 R)
• M21: 19,953,214 km (0.104 R)
• M22: 21,097,489 km (0.042 R)
• M23: 23,282,365 km (0.072 R)
• M24: 24,712,072 km (0.029 R)
• M25: 27,746,067 km (0.107 R)
• M26: 29,717,767 km (0.05 R)
• M27: 32,457,502 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.5

Radius: 4.9

Gravity: 16.89 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.47 AU - 8.15 AU

Year: 11851 Days

Day: 16.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,071,334 km

• M1: 61,335 km (0.035 R)
• M2: 369,656 km (0.081 R)
• M3: 772,673 km (0.107 R)
• M4: 1,522,009 km (0.079 R)
• M5: 1,974,243 km (0.112 R)
• M6: 4,027,324 km (0.083 R)
• M7: 4,854,451 km (0.117 R)
• M8: 6,799,971 km (0.088 R)
• M9: 7,069,995 km (0.118 R)
• M10: 7,307,108 km (0.117 R)
• M11: 8,528,874 km (0.062 R)
• M12: 10,277,374 km (0.047 R)
• M13: 11,915,470 km (0.102 R)
• M14: 12,138,820 km (0.08 R)
• M15: 13,965,410 km (0.085 R)
• M16: 16,375,731 km (0.067 R)
• M17: 17,071,810 km (0.118 R)
• M18: 32,006,315 km (0.119 R)
• M19: 34,428,753 km (0.075 R)
• M20: 35,916,055 km (0.065 R)
• M21: 36,265,366 km (0.08 R)
• M22: 37,207,683 km (0.078 R)
• M23: 37,445,843 km (0.096 R)
• M24: 38,896,045 km (0.12 R)
• M25: 43,867,032 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 13,452 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit